package com.atguigu.tingshu.account.service.impl;

import com.atguigu.tingshu.account.mapper.RechargeInfoMapper;
import com.atguigu.tingshu.account.mapper.UserAccountDetailMapper;
import com.atguigu.tingshu.account.mapper.UserAccountMapper;
import com.atguigu.tingshu.account.service.UserAccountService;
import com.atguigu.tingshu.common.constant.SystemConstant;
import com.atguigu.tingshu.model.account.RechargeInfo;
import com.atguigu.tingshu.model.account.UserAccount;
import com.atguigu.tingshu.model.account.UserAccountDetail;
import com.atguigu.tingshu.vo.account.AccountDeductVo;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;

@Slf4j
@Service
@SuppressWarnings({"all"})
public class UserAccountServiceImpl extends ServiceImpl<UserAccountMapper, UserAccount> implements UserAccountService {

	@Autowired
	private UserAccountMapper userAccountMapper;

	@Autowired
	private UserAccountDetailMapper userAccountDetailMapper;



	@Override
	@Transactional(rollbackFor = Exception.class)
	public Boolean checkAndDeduct(AccountDeductVo accountDeductVo) {
		//	执行update语句;
		int result = userAccountMapper.checkAndDeduct(accountDeductVo.getAmount(), accountDeductVo.getUserId());
		//	判断
		if (result > 0){
			//	记录当前用户的资金明细;
			this.addUserAccountDetail(accountDeductVo.getUserId(),accountDeductVo.getContent(), SystemConstant.ACCOUNT_TRADE_TYPE_MINUS,accountDeductVo.getAmount(),accountDeductVo.getOrderNo());
			return true;
		}
		return false;
	}

	@Override
	public IPage<UserAccountDetail> findUserRechargePage(Page<UserAccountDetail> detailPage, Long userId) {
		//	构建查询条件;
		LambdaQueryWrapper<UserAccountDetail> wrapper = new LambdaQueryWrapper<>();
		wrapper.eq(UserAccountDetail::getUserId, userId).eq(UserAccountDetail::getTradeType, SystemConstant.ACCOUNT_TRADE_TYPE_DEPOSIT).orderByDesc(UserAccountDetail::getId);
		return userAccountDetailMapper.selectPage(detailPage,wrapper);
	}

	@Override
	public IPage<UserAccountDetail> findUserConsumePage(Page<UserAccountDetail> detailPage, Long userId) {
		//	构建查询条件;
		LambdaQueryWrapper<UserAccountDetail> wrapper = new LambdaQueryWrapper<>();
		wrapper.eq(UserAccountDetail::getUserId, userId).eq(UserAccountDetail::getTradeType, SystemConstant.ACCOUNT_TRADE_TYPE_MINUS).orderByDesc(UserAccountDetail::getId);
		return userAccountDetailMapper.selectPage(detailPage,wrapper);
	}

	/**
	 * 添加用户资金明细
	 * @param userId
	 * @param content
	 * @param typeMinus
	 * @param amount
	 * @param orderNo
	 */
	public void addUserAccountDetail(Long userId, String content, String typeMinus, BigDecimal amount, String orderNo) {
		//	创建对象
		UserAccountDetail userAccountDetail = new UserAccountDetail();
		userAccountDetail.setUserId(userId);
		userAccountDetail.setTitle(content);
		userAccountDetail.setTradeType(typeMinus);
		userAccountDetail.setAmount(amount);
		userAccountDetail.setOrderNo(orderNo);
		userAccountDetailMapper.insert(userAccountDetail);
	}

	@Override
	public BigDecimal getAvailableAmount(Long userId) {
		//	获取数据
		return userAccountMapper.selectOne(new LambdaQueryWrapper<UserAccount>().eq(UserAccount::getUserId, userId)).getAvailableAmount();
	}

	@Override
	public void register(Long userId) {
		//	user_account
		UserAccount userAccount = new UserAccount();
		userAccount.setUserId(userId);
		userAccount.setTotalAmount(new BigDecimal("1000.00"));
		userAccount.setAvailableAmount(new BigDecimal("1000.00"));
		userAccountMapper.insert(userAccount);
	}
}
